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Custom Mail Order Tune
Need your 98-Present GM Vehicle Custom Tuned? We’ve got your covered!
Order a Spike performance mail order tune now and receive it in just 5-7 business days!
Mail us the PCM/ECM and we will load a custom calibration into it via a bench harness and mail your pcm back. If you can’t afford down time we also sell pcm/ecm’s with either stock tunes or custom tunes for your application.